/Engine/Source/Editor/Kismet/Public/BlueprintEditor.h
Called to create context menu when right-clicking on graph
[FActionMenuContent](API\Editor\UnrealEd\FActionMenuContent) OnCreateGraphActionMenu ( [UEdGraph](API\Runtime\Engine\EdGraph\UEdGraph) * InGraph, const FVector2D & InNodePosition, const [TArray](API\Runtime\Core\Containers\TArray)< [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * > & InDraggedPins, bool bAutoExpand, [SGraphEditor::FActionMenuClosed](API\Editor\UnrealEd\SGraphEditor\FActionMenuClosed) InOnMenuClosed )